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1984年12月17日,由机械工业部农机局主持,在山东潍坊对潍坊发动机厂生产的WR4100基本型、拖拉机型、叉车型柴油机进行了部级鉴定(W表示潍坊)。1984年12月21日,由机械工业部农机局和河南省机械电子厅联合主持,在河南洛阳对洛阳第一拖拉机厂生产的LR4100柴油机进行了部级鉴定,对LR3100及LR6100柴油机进行了省级鉴定(L表示洛阳)。R100系列柴油机的研制是根据机械工业部新产品试制计划进行的,1979年由上海内燃机研究所和潍坊发动机厂、洛阳第一拖拉机厂共同承担的课题,山东省内燃机研究所也参加了工作。该系列柴油机是在1979年英国里卡多公司为主设计开发的4100柴油机基础上,自行补全了3100和6100柴油机的设计,并使全部零
December 17, 1984, chaired by the Agricultural Machinery Bureau of the Ministry of Machinery Industry, Weifang, Shandong Province Weifang engine plant production WR4100 basic type, tractor type, forklift diesel-powered ministerial identification (W said Weifang). On December 21, 1984, the LR4100 diesel engine produced by Luoyang No.1 Tractor Factory in Luoyang, Henan province was co-chaired by the Agricultural Machinery Bureau of the Ministry of Machinery Industry and the Henan Machinery and Electronic Agency. The LR3100 and LR6100 diesel engines were provincial-level Identification (L for Luoyang). R100 series diesel engine is developed according to the Ministry of Machinery Industry new product trial plan carried out in 1979 by the Shanghai Internal Combustion Engine Research Institute and Weifang Engine Factory, Luoyang First Tractor Factory shared the task, Shandong Internal Combustion Engine Research Institute also participated in the work. The series of diesel engine is based on the 4100 diesel engine designed and developed by the British Ricardo in 1979 based on the complete design of the 3100 and 6100 diesel engines and all zero